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  2. Software development effort estimation - Wikipedia

    en.wikipedia.org/wiki/Software_development...

    Formal estimation model: The quantification step is based on mechanical processes, e.g., the use of a formula derived from historical data. Combination-based estimation: The quantification step is based on a judgmental and mechanical combination of estimates from different sources. Below are examples of estimation approaches within each category.

  3. Putnam model - Wikipedia

    en.wikipedia.org/wiki/Putnam_model

    B is a scaling factor and is a function of the project size. [3] Productivity is the Process Productivity, the ability of a particular software organization to produce software of a given size at a particular defect rate. Effort is the total effort applied to the project in person-years. Time is the total schedule of the project in years.

  4. Estimation (project management) - Wikipedia

    en.wikipedia.org/.../Estimation_(project_management)

    In project management (e.g., for engineering), accurate estimates are the basis of sound project planning. Many processes have been developed to aid engineers in making accurate estimates, such as Analogy based estimation; Compartmentalization (i.e., breakdown of tasks) Cost estimate; Delphi method; Documenting estimation results; Educated ...

  5. Wideband delphi - Wikipedia

    en.wikipedia.org/wiki/Wideband_delphi

    The first meeting is the kickoff meeting, during which the estimation team creates a work breakdown structure (WBS) and discusses assumptions. After the meeting, each team member creates an effort estimate for each task. The second meeting is the estimation session, in which the team revises the estimates as a group and achieves consensus.

  6. COCOMO - Wikipedia

    en.wikipedia.org/wiki/COCOMO

    The Intermediate Cocomo formula now takes the form: E = a i (KLoC) b i (EAF) where E is the effort applied in person-months, KLoC is the estimated number of thousands of delivered lines of code for the project, and EAF is the factor calculated above. The coefficient a i and the exponent b i are given in the next table.

  7. SEER-SEM - Wikipedia

    en.wikipedia.org/wiki/SEER-SEM

    SEER for Software (SEER-SEM) is composed of a group of models working together to provide estimates of effort, duration, staffing, and defects. These models can be briefly described by the questions they answer: Sizing. How large is the software project being estimated (Lines of Code, Function Points, Use Cases, etc.) Technology.

  8. Analysis effort method - Wikipedia

    en.wikipedia.org/wiki/Analysis_effort_method

    The analysis effort method is a method for estimating the duration of software engineering projects. [1] It is best suited to producing initial estimates for the length of a job based on a known time duration for preparing a specification. Inputs to the method are numeric factors which indicate Size (S), Familiarity (F) and Complexity (C).

  9. The Simple Function Point method - Wikipedia

    en.wikipedia.org/wiki/The_Simple_Function_Point...

    Boxplots of relative effort estimation errors from UFP-based and SiFP-based models. [5] Outliers are not shown. IFPUG FPA is mainly used for estimating software development effort. Therefore, any alternative method that aims at measuring the functional size of software should support effort estimation with the same level of accuracy as IFPUG FPA.